Human mesenchymal stem cells induce E-cadherin degradation in breast carcinoma spheroids by activating ADAM10

Mesenchymal stem cells (MSCs) have been shown to communicate with tumor cells. We analyzed the effect of human MSCs (hMSCs) on breast cancer cells in three-dimensional cultures. By using GFP expression and immunohistochemistry, we show that hMSCs invade 3D breast cancer cell aggregates. hMSCs caused...

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Veröffentlicht in:Cellular and molecular life sciences : CMLS 2009-09, Vol.66 (18), p.3053-3065
Hauptverfasser: Dittmer, Angela, Hohlfeld, Kristina, Lützkendorf, Jana, Müller, Lutz P, Dittmer, Jürgen
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container_issue 18
container_start_page 3053
container_title Cellular and molecular life sciences : CMLS
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creator Dittmer, Angela
Hohlfeld, Kristina
Lützkendorf, Jana
Müller, Lutz P
Dittmer, Jürgen
description Mesenchymal stem cells (MSCs) have been shown to communicate with tumor cells. We analyzed the effect of human MSCs (hMSCs) on breast cancer cells in three-dimensional cultures. By using GFP expression and immunohistochemistry, we show that hMSCs invade 3D breast cancer cell aggregates. hMSCs caused breast cancer spheroids to become disorganized which was accompanied by a disruption of cell-cell adhesion, E-cadherin cleavage, and nuclear translocation of E-cadherin, but not by epithelial/mesenchymal transition or by an increase in ERK1/2 activity. In addition, hMSCs enhanced the motility of breast cancer cells. Inhibition of ADAM10 (a disintegrin and metalloprotease 10), known to cleave E-cadherin, prevented both hMSC-mediated E-cadherin cleavage and enhanced migration. Our data suggest that hMSCs interfere with cell-cell adhesion and enhance migration of breast cancer cells by activating ADAM10.
doi_str_mv 10.1007/s00018-009-0089-0
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source MEDLINE; SpringerNature Journals; PubMed Central
subjects Active Transport, Cell Nucleus
ADAM Proteins - metabolism
ADAM Proteins - physiology
ADAM10 Protein
Adhesion
Amyloid Precursor Protein Secretases - metabolism
Amyloid Precursor Protein Secretases - physiology
Biochemistry
Biomedical and Life Sciences
Biomedicine
Breast cancer
Breast Neoplasms - pathology
Cadherins - metabolism
Cell Adhesion
Cell adhesion & migration
Cell Biology
Cell Movement
Coculture Techniques
Humans
Life Sciences
Membrane Proteins - metabolism
Membrane Proteins - physiology
Mesenchymal Stem Cells - metabolism
Mitogen-Activated Protein Kinase 3
Research Article
Stem cells
Studies
Translocation
Tumor Cells, Cultured
title Human mesenchymal stem cells induce E-cadherin degradation in breast carcinoma spheroids by activating ADAM10
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